Local Calling Guide

Area code/prefix search

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Denver, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-406 A CDRRIAAB4MD  7421 AT&T LOCAL 635      
319-406 0   751F MCC TELEPHONY OF IOWA, LLC - IA 635   2010-05-09   
319-406 1   7421 AT&T LOCAL 635      
319-406 2   985E BANDWIDTH.COM CLEC, LLC - IA 635   2015-05-08   
319-406 3   221F ONVOY, LLC IA 635   2018-04-13   
319-406 4   073H TELNYX LLC 635   2018-06-27   
319-406 6   221F ONVOY, LLC IA 635   2019-09-19   
319-406 7   221F ONVOY, LLC IA 635   2008-09-04   
319-406 8   544H INTEGRATED PATH COMMUNICATIONS, LLC - IA 635   2018-05-11   
319-984 A DNVRIACORS1  9631 QWEST CORPORATION 635      
319-984 0   221F ONVOY, LLC IA 635   2016-04-11   
319-984 1   221F ONVOY, LLC IA 635   2016-04-11   
319-984 3   7575 CENTURYLINK COMMUNICATIONS LLC 635   2017-06-09   
319-984 4   221F ONVOY, LLC IA 635   2013-04-04   
319-984 5   9631 QWEST CORPORATION 635      
319-984 6   9631 QWEST CORPORATION 635      
319-984 7   221F ONVOY, LLC IA 635   2010-12-01   
319-984 8   221F ONVOY, LLC IA 635   2011-12-10   
319-984 9   9631 QWEST CORPORATION 635      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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